Automotive Electrical and Electronic Systems Classroom Manual Fifth Edition Update by John F. Kershaw

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.5 LT BLU
.8 YEL 237
C216
TWO TERMINALS
IN THE SAME
CONNECTOR
DASHED LINE SHOWS
A PHYSICAL
CONNECTION
BETWEEN PARTS
(SAME CONNECTOR).
INDICATES THIS CIRCUIT
CONTINUES WITHIN DEVICE;
I.E. OTHER BULBS
“BRAKE”
INDICATOR
(RED)
AN INDICATOR
WHICH DISPLAYS
THE LIGHTED
WORD “BRAKE”
5 VOLTS
A9
C1
PCM CONNECTOR IDENTIFICATION
C1 - BLACK - 32 WAY
C2 - BLACK - 24 WAY
POWERTRAIN
CONTROL
MODULE (PCM)
3 BLK 150
G200
SEE GROUND
DISTRIBUTION
PAGE 8A-14-0
INDICATES THAT
THE CIRCUITRY IS
NOT SHOWN IN
COMPLETE DETAIL
BUT IS COMPLETE ON
THE INDICATED PAGE
D4
C2
ELECTROSTATIC DISCHARGE
(ESD) SENSITIVE DEVICES
ARE INDENTIFIED. REFER TO
PAGE 8A-3-0 FOR HANDLING
AND MEASURING PROCEDURES.
1 ORN 40
GAUGES NO GAUGES
C309
C309
WIRE CHOICS
FOR OPTIONS
OR DIFFERENT
MODELS ARE
SHOWN AND
LABELED.
HEATING
ELEMENT
HEAT-
ACTUATED
CONTACT
1 ORN 40 .5 ORN 40
UNLESS NOTED,
THE RELAY WILL
BE SHOWN IN A
DE-ENERGIZED STATE
WITH NO CURRENT
FLOWING THROUGH
THE COIL.
INDICATES THAT
POWER IS
SUPPLIED WITH
IGNITION SWITCH
IN “ACCY” AND
“RUN” POSITIONS
HOT IN ACCY OR RUN
RADIO
FUSE
10 AMP
FUSE
BLOCK
LABEL OF
FUSE BLOCK
CONNECTOR
CAVITY
WHEN CURRENT FLOWS
THROUGH COIL, CONTACT
WILL TOGGLE.
NORMALLY
CLOSED
CONTACT
NORMALLY
OPEN
CONTACT
DIODE
ALLOWS CURRENT
TO FLOW IN ONE
DIRECTION ONLY
FUSIBLE LINK
FUSIBLE LINK
CONNECTS TO
SCREW TERMINAL.
SHOWN SEPARATED
B M D
C210
3 CONNECTORS ARE
SHOWN CONNECTED
TOGETHER AT A
JUNCTION BLOCK.
FOURTH WIRE IS
SOLDERED TO COMMON
CONNECTION ON
BLOCK.
NUMBER FOR TOTAL
CONNECTOR
LETTERS FOR EACH
CONNECTION TERMINAL
Figure 6-49B.
More component symbols used by GM. (GM Service and Parts Operations)
116